/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package br.com.ufpb.halloc.servlet;

import br.com.ufpb.halloc.comunicacao.Facade;
import br.com.ufpb.halloc.exceptions.TurmaInexistenteException;
import br.com.ufpb.halloc.negocio.Turma;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.swing.JOptionPane;

/**
 *
 * @author Rennan
 */
@WebServlet(name = "ConsultaTurmaServlet", urlPatterns = {"/ConsultaTurmaServlet"})
public class ConsultaTurmaServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
                
        Facade fachada = Facade.getInstance();
        List<Turma> list = new ArrayList<Turma>();
        
        try {
            if (!request.getParameter("cod_turma").equals("")) {
                list.add(fachada.buscarTurmaBD(request.getParameter("cod_turma")));
            } else {
                if (!request.getParameter("nome_turma").equals("")){
                    list.addAll(fachada.buscarTurmaNomeBD(request.getParameter("nome_turma")));
                } else {
                    list.addAll(fachada.getTodasAsTurmasBD());
                }
            }
        } catch (TurmaInexistenteException ex) {
            JOptionPane.showMessageDialog(null, ex.getMessage());
            Logger.getLogger(ConsultaDisciplinaServlet.class.getName()).log(Level.SEVERE, null, ex);
        }
        request.setAttribute("consulta", list);
        RequestDispatcher v = request.getRequestDispatcher("ConsultaTurma.jsp");
        v.forward(request, response);
        
        
//        Facade f = Facade.getInstance();
//        List<Turma> l = new ArrayList<Turma>();
//        
//        List<Turma> source = f.getTodasAsTurmasBD();
//       
//        
//
//        if (!request.getParameter("cod_turma").equals("")) {
//            for(Turma t : source){
//                if(t.getCodTurma().equals(request.getParameter("cod_turma"))){
//                    l.add(t);
//                }
//            } 
//        }else{ 
//            if (!request.getParameter("nome_turma").equals("")){
//                for(Turma t : source){
//                    if(t.getNomeTurma().equals(request.getParameter("nome_turma"))){
//                        l.add(t);
//                    }
//                }
//             } else {
//                l.addAll(source);
//             }
//        }     
//          
//        request.setAttribute("consulta", l);
//        RequestDispatcher v = request.getRequestDispatcher("ConsultaTurma.jsp");
//        v.forward(request, response);
        
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
